Listen to Unwinding – Pure Relaxation online. Unwinding – Pure Relaxation is an English language song and is sung by Calm Singing Birds Zone. Unwinding – Pure Relaxation, from the album Relaxing Music and Natural Ambiences: Relieve Stress (Nature Sounds for Relaxation, Singing Birds & Exceptional Soundscapes), was released in the year 2017. The duration of the song is 3:40. Download English songs online from JioSaavn.